Cant enter passcode
I know my passcode. However, the 0 is not responding to touch. Is there a way to enter passcode via iPhone, or speak it.. I need to change the passcode obviously now without a 0..
Apple Watch Series 3, watchOS 8
See the 'Unlock Apple Watch' section in:
Lock or unlock Apple Watch - Apple Support
Unlock Apple Watch when you unlock your iPhone: Open the Settings app 
on your Apple Watch, tap Passcode, then turn on Unlock with iPhone.
You can also open the Apple Watch app on your iPhone, tap My Watch, tap Passcode, then turn on Unlock with iPhone.